Brace Yourselves, a Solar Storm Is Coming And We Can Expect Auroras

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According to (This article and its images were originally posted on ScienceAlert September 10, 2018 at 10:30PM.)

Aurora chasers, get your cameras ready. A huge hole has opened in the Sun’s corona, which means we’re officially on geomagnetic storm watch – with auroras incoming across a huge swathe of North America.

The National Oceanic and Atmospheric Administration (NOAA) has issued a storm watch for a G2-level solar storm on September 11. That’s a moderate storm on the 5-level scale, with G5 being the highest.

We’re currently heading into Solar minimum, the least active period of the Sun’s 11-year cycle. That means much lower sunspot, coronal mass ejection and solar flare activity.

But “holes” can still open in the Sun’s corona. These are cooler, less dense regions of plasma in the Sun’s atmosphere, with more open magnetic fields. These open regions allow the solar winds to escape more easily, blowing electromagnetic radiation into space at high speeds.


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This article and its images were originally posted on [ScienceAlert] September 10, 2018 at 10:30PM. All credit to both the author MICHELLE STARR and ScienceAlert | ESIST.T>G>S Recommended Articles Of The Day.


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